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(2007/10/02)1-<2'-deoxy-3',5'-di-O-(p-toluoyl)-β-D-erythro-pentofuranosyl>-2(1H)-pyridone
1-<2'-deoxy-3',5'-di-O-(p-toluoyl)-α-D-erythro-pentofuranosyl>-2(1H)-pyridone
1-(4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)pyridin-2-one
1-(2'-Desoxy-α-D-ribofuranosyl)-pyridon-(2)